Post Office: SIBI RAILWAY COLONYPost Office Type: SUB OFFICE Delivery Office Status: Non Delivery Post OfficeDistrict: Sibi GPOPin/Post Code:82100Region: BalochistanContact Address: Postmaster, Post Office SIBI RAILWAY COLONY (Sub Office), Sibi GPO Pakistan, Pincode:- 82100Postal Dist:- Sibi GPOPostal Region:- BalochistanPostal Circle:- Balochistan